Abstract
Measuring relative genetic distances is one of the best ways to locate genetic loci. Here we report the construction of a strains set for genetic mapping in Schizosaccharomyces japonicus, which belongs to the genus Schizosaccharomyces together with the well-studied fission yeast Sz. pombe. We constructed 29 strains that bear a positive-negative selection marker at different loci. The marker was inserted every 500 kb in the genome of Sz. japonicus. Each marker thus becomes a 'scale mark' of a chromosome that behaves like a yardstick. By determining the genetic distances from the inserted markers, the relative location of a genomic mutation can be determined. We also constructed a fosmid library that covers an entire genome of Sz. japonicus. These tools together would facilitate identification and cloning of the gene.
Published Version
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